AN ACR LTT PLT COMPLAINS THAT THE NEWER MODELS IN THIS FLEET HAVE NO INNER SIDE WINDOW ALLOWING CONDENSATION TO TURN TO FROST RESTRICTING VISIBILITY.

Date: 1993-03 · Aircraft: Light Transport; Low Wing; 2 Turboprop Eng

Anomalies: other-unspecified

Synopsis

AN ACR LTT PLT COMPLAINS THAT THE NEWER MODELS IN THIS FLEET HAVE NO INNER SIDE WINDOW ALLOWING CONDENSATION TO TURN TO FROST RESTRICTING VISIBILITY.

Narrative

THE LTT SERIES X AND Y HAVE COCKPIT SIDE WINDOWS WITH AN OUTER PRESSURE VESSEL WINDOW AND AN INNER PLASTIC PANEL. THE LTT SERIES Z HAS NO INNER PANEL. ON COLD DAYS WITH A FULL LOAD OF PAX WEARING WET CLOTHING; THE SIDE COCKPIT WINDOWS FOG UP SO BADLY YOU CAN'T SEE OUT. JUST A LOAD OF PEOPLE BREATHING WILL FOG THEM BADLY ENOUGH TO IMPAIR VISION -- AND MOST OF OUR PAX BREATHE! YES; WE COULD WIPE THE WINDOWS BEFORE THE FOG FREEZES; BUT WE'RE USUALLY A LITTLE BUSY FLYING THE PLANE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATES THAT HE HAS TALKED BOTH TO HIS MAINT DEPT AND HIS CHIEF PLT ABOUT THIS PROB AND THE RESPONSE IS 'THAT'S THE WAY THAT THEY CAME.' THIS BELOVED ANALYST SUGGESTED THAT HE OR THE COMPANY COULD BUY AND INSTALL 'TEMPORARY' COLD WX SHIELDS THAT ARE SOLD FOR AUTOS IN THE NORTHERN STATES. THE RPTR STATES THAT THERE IS A GROOVE IN THE STRUCTURE FOR A FACTORY BUILT INNER WINDOW AS ON THE EARLIER MODELS OF THIS ACFT. APPARENTLY; THE ACR IS RELUCTANT TO SPEND THE VERY FEW BUCKS TO PROVIDE THIS VITAL SAFETY FEATURE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.